103856705 has 4 divisors (see below), whose sum is σ = 124628052. Its totient is φ = 83085360.

The previous prime is 103856693. The next prime is 103856713. The reversal of 103856705 is 507658301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41383489 + 62473216 = 6433^2 + 7904^2 .

It is not a de Polignac number, because 103856705 - 2¹⁰ = 103855681 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10385666 + ... + 10385675.

It is an arithmetic number, because the mean of its divisors is an integer number (31157013).

Almost surely, 2^103856705 is an apocalyptic number.

It is an amenable number.

103856705 is a deficient number, since it is larger than the sum of its proper divisors (20771347).

103856705 is an equidigital number, since it uses as much as digits as its factorization.

103856705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20771346.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 103856705 is about 10191.0109900834. The cubic root of 103856705 is about 470.0508546150.

The spelling of 103856705 in words is "one hundred three million, eight hundred fifty-six thousand, seven hundred five".